hrydgard / hrydgard/ppsspp

Wish to fix this ghosting effect render its so broken in other games

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Dominant language
C++
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Description

Game or games this happens in

NPJH-50832

What area of the game

In all area of the games in buffer mode

What happens

Ghosting effect is blocking the other graphics in area like on boss battle .

What should happen

This is from psp have no ghosting effect but low resolution

Screenshot_2023-06-04-09-58-38-988_com google android youtube
Screenshot_2023-06-04-09-58-44-922_com google android youtube
Screenshot_2023-06-04-09-58-49-609_com google android youtube

GE frame capture

This is from ppsspp and have a ghosting effect its so broke the graphics

Screenshot_2023-06-04-09-48-43-727_org ppsspp ppsspp
Screenshot_2023-06-04-09-48-34-669_org ppsspp ppsspp
Screenshot_2023-06-04-09-48-28-140_org ppsspp ppsspp
Screenshot_2023-06-04-09-48-01-916_org ppsspp ppsspp

Platform

Android

Mobile phone model or graphics card

Poco x2 pro

PPSSPP version affected

V1.15.4

Last working version

No response

Graphics backend (3D API)

Vulkan

Checklist
  • Test in the latest git build in case it's already fixed.
  • Search for other reports of the same issue.
  • Try resetting settings or older versions and include if the issue is related.
  • Try changing graphics settings to determine if one causes the glitch (especially speed hacks or enhancements/replacements.)
  • Include logs or screenshots of issue.

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the ghosting effect in NPJH-50832 on Android with Vulkan, using the reported PPSSPP v1.15.4 setup and the attached screenshots for comparison. Investigate the rendering behavior in buffer mode; done means the game renders without the reported ghosting while preserving the expected PSP graphics.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, cpp
Domain
computer-graphics, mobile-dev
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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